linux-kernel - Re: [patch 1/7] ftrace: fix task state printout

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Date:	Fri, 19 Dec 2008 17:25:05 +0100
From:	"Frédéric Weisbecker" <fweisbec@...il.com>
To:	"Thomas Gleixner" <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, "Ingo Molnar" <mingo@...e.hu>,
	"Steven Rostedt" <rostedt@...dmis.org>,
	"Peter Zijlstra" <peterz@...radead.org>,
	"Clark Williams" <clark.williams@...il.com>,
	"Gregory Haskins" <ghaskins@...ell.com>,
	Linux-rt <linux-rt-users@...r.kernel.org>
Subject: Re: [patch 1/7] ftrace: fix task state printout

Hi Thomas,

2008/12/19 Thomas Gleixner <tglx@...utronix.de>:
> Impact: tracer task state decoding is wrong, size check is buggy
>
> The tracing code has interesting varieties of printing out task state.
> Unfortunalely only one of the instances is correct as it copies the
> code from sched.c:sched_show_task(). The others are plain wrong as
> they treatthe bitfield as an integer offset into the character
> array. Also the size check of the character array is wrong as it
> includes the trailing \0.
>
> Use a common state decoder inline which does the Right Thing.
>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>


You've already sent it out. It has been applied on -tip :-)
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